Off To A New Life

After three Celestial Dragons decide they hate their life at Mary Geoise, and want to give their baby brother a nicer, pure life where he can be raised with love and care, Ace, Sabo and Luffy defect, heading out into the vast world. But their long term plans go astray when they're taken onto the Whitebeards' ship. Though they have plenty of help making Luffy happy. A loving life, somewhere simple.